Analysis
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max time kernel
144s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-06-2022 07:48
Static task
static1
Behavioral task
behavioral1
Sample
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe
Resource
win7-20220414-en
General
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Target
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe
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Size
751KB
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MD5
cbbf69b6859140cbe162565dc7e57c42
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SHA1
d1182ceaba475493e1397dff94bad726feac4712
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SHA256
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496
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SHA512
4909130568f37c4afa2b0e8afc39929fd52a2212bfe593b6e0a195d3e9296cd64b2a418d21d3845d479413b3455472c6f00e76c50136a148a5a3b6d312da72a7
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
divi@accauto.co - Password:
7213575aceACE$
Signatures
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NirSoft MailPassView 6 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2008-56-0x0000000000090000-0x0000000000114000-memory.dmp MailPassView behavioral1/memory/300-59-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/300-60-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/300-63-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/300-64-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/300-65-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/2008-56-0x0000000000090000-0x0000000000114000-memory.dmp WebBrowserPassView behavioral1/memory/816-67-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/816-66-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/816-70-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/816-72-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral1/memory/2008-56-0x0000000000090000-0x0000000000114000-memory.dmp Nirsoft behavioral1/memory/300-59-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/300-60-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/300-63-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/300-64-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/300-65-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/816-67-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/816-66-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/816-70-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/816-72-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 whatismyipaddress.com 5 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exeRegAsm.exedescription pid process target process PID 884 set thread context of 2008 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 2008 set thread context of 300 2008 RegAsm.exe vbc.exe PID 2008 set thread context of 816 2008 RegAsm.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exepid process 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exepid process 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2008 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 2008 RegAsm.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exeRegAsm.exedescription pid process target process PID 884 wrote to memory of 2008 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 884 wrote to memory of 2008 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 884 wrote to memory of 2008 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 884 wrote to memory of 2008 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 884 wrote to memory of 2008 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 884 wrote to memory of 2008 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 884 wrote to memory of 2008 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 884 wrote to memory of 2008 884 d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe RegAsm.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 300 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe PID 2008 wrote to memory of 816 2008 RegAsm.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe"C:\Users\Admin\AppData\Local\Temp\d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\d87a03777335208a45a9355dd33f7c9e5e2111a32ff33afdbee95770fe195496.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/300-65-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/300-64-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/300-63-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/300-60-0x0000000000411654-mapping.dmp
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memory/300-59-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/816-67-0x0000000000442628-mapping.dmp
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memory/816-66-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/816-70-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/816-72-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2008-58-0x0000000000930000-0x0000000000938000-memory.dmpFilesize
32KB
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memory/2008-57-0x00000000004A5000-0x00000000004B6000-memory.dmpFilesize
68KB
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memory/2008-56-0x0000000000090000-0x0000000000114000-memory.dmpFilesize
528KB
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memory/2008-54-0x000000000010EA6E-mapping.dmp
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memory/2008-55-0x0000000075941000-0x0000000075943000-memory.dmpFilesize
8KB